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Bitcoin is a crypto currency, with the creation and the transfer of the bitcoins being based on a protocol that does not depend on the central authority. The coins can be transferred through computers or through smartphones and related devices, without the necessity of having a financial institution as an intermediate. This concept was established by Satoshi Nakamoto in 2008 and it was geared towards the world of electronic cash systems. If you understand more about this topic on a professional level, then you have a better chance to enjoy the advantages of being a freelancer at Freelancer.com.

Bitcoin has its own technical part that needs to be addressed by professionals. If you are one of them, then you should be on a platform that ensures the consistency of job posting by clients. When working as a bitcoin freelancer at Freelancer.com, you will have access to many of the jobs posted by clients from all over the world and bid on those that are within your professional level. There is too much to enjoy while working at the leading freelancer platform online, including getting paid at rates that your services deserve, giving you the encouragement you need to keep on working on more Bitcoin projects.

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    53 jobs found, pricing in USD

    Hello. I want to display on my website a INDEX Price Chart. I need to be able to make the software track the price of 150 crypto currencies and then calculate (BASED on the ratio of allocation) the index price of the crypto currency basket. FOR EXAMPLE: we make the software track 150 crypto currencies, following the price of one of the major crypto exchanges, then we specify in the software h...

    $124 (Avg Bid)
    $124 Avg Bid
    7 bids

    Just please let me know if you have the needed amount so we can discouss for more !

    $100 (Avg Bid)
    Guaranteed Sealed
    $100
    0 entries

    Please read before bidding! I'm looking for the right team to launch an ICO. This will be a revolutionary project, you'll be grateful to have an opportunity in it and hopefully long term! First off a business background in the Middle-Eastern and North African market will make a huge difference. What I am interested in is having experience in terms of business and how to execute an ICO ...

    $305 (Avg Bid)
    $305 Avg Bid
    8 bids

    Hi, I am going to hire someone who has skills in cryptocurrency development. My app almost finished except the buy/sell function. So If you have really experience in buy/sell function implement, then Please bid with your experience. Or not please don't spend your time. I will never hire you if you don't have any experience. Please bid with ' crypto-expert' as the first words...

    $595 (Avg Bid)
    $595 Avg Bid
    9 bids

    I'm looking for more investors to invest under my referral link in a cryptocurrency website. For every Investor who purchases one of the pools you will get paid. Pool #1: $40 Cad Pool #2 $50 Cad Pool #3 $60 Cad All pools can be purchased called a "founder" which will get you $150. This is COMMISSION based only, I will not pay you with NO results. I'm always willing to ...

    $31 - $115
    $31 - $115
    0 bids

    A functioning dice gambling website similar to [login to view URL] has to support a custom cryptocurrency based on the bitcoin source.

    $412 (Avg Bid)
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    13 bids
    Cryptocurrency Wallet System 6 days left
    VERIFIED

    We need our own wallet system which can be used in our trading platforms. SO each user will get a unique wallet address from his login, and use it to send and withdraw coins from his account. Wallets system should be able to integrate with exchanges like bitstamp or Kraken, so the coins will be transfered to those exchagnes once user deposit. Please share your sample work related to the project.

    $564 (Avg Bid)
    $564 Avg Bid
    8 bids

    Hey Guys, Im looking for a person who are in JAPAN or PHILIPPINES could help me build like this kind of Bot on Telegram, check it out [login to view URL] IM planning for a weekly and Hourly Payouts through 2 options of Investments bitcoin and Dollar. withdrawable anytime they need. Would like to discuss the idea more with you. Thank You

    $1165 (Avg Bid)
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    12 bids

    i need someone how create me a ico site incl all functions

    $1003 (Avg Bid)
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    4 bids

    Add Cryptocurrency payment ready casino website.

    $247 (Avg Bid)
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    14 bids

    Send any cryptocurrency to my wallet and get instant return money. I made this crytocurrency wallet and want to test it.

    $398 (Avg Bid)
    $398 Avg Bid
    1 bids
    Ethereum Developer Needed 6 days left
    VERIFIED

    I have a a small job to install an Ethereum Daemon and connect via json RPC.

    $42 (Avg Bid)
    $42 Avg Bid
    5 bids

    We need ICO developer to test and check to see if smart contract, burn token, token distributed, is working properly what other functionality is needed, so it can launch. Need to check to see if Token can be distributed correctly and going to admin wallet and to client wallet. If the system able to burn token and all the feature is working correctly. I need to know if the signin and register i...

    $409 (Avg Bid)
    $409 Avg Bid
    15 bids

    If you have the needed amou . just let me know to discouss for more !

    $50 (Avg Bid)
    Guaranteed Sealed
    $50
    3 entries

    I am looking to add ICO advisors for my ICO project Candidate must have blockchain/software or ICO background Please put your remuneration expectation and the services which you can provide.

    $1400 (Avg Bid)
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    33 bids
    Install bitcoind 5 days left
    VERIFIED

    I need to install and set up bitcoind on a server. You need to be knowledgeable about bitcoind and core .

    $169 (Avg Bid)
    $169 Avg Bid
    18 bids

    I need somebody to help our c++ coder to get GDB debugger working on Vscode so he can debug cryptocurrency code. Support is to be done remotelly and via chat.

    $10 / hr (Avg Bid)
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    6 bids
    lco listing script 5 days left
    VERIFIED

    we are looking ico listing script... anybody having a demo then only create bid

    $327 (Avg Bid)
    $327 Avg Bid
    2 bids

    Looking for someone who can build a Node.js wallet for this altcoin (it's based of litecoin scrypt source): [login to view URL] Please provide a timeframe + cost. Please provide a screenshot of wallet running to verify you are serious about working together on this.

    $888 (Avg Bid)
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    11 bids

    I need a website like [login to view URL] in which you can swap cryptocurrencies such as Bitcoin and Ethereum and Ethereum tokens in a few clicks without having to log-in. It cannot use any third-party APIs such as the ShapeShift API. And must run fast on slow processors.

    $5207 (Avg Bid)
    $5207 Avg Bid
    41 bids

    need to build bitcoin, etherium, hyip

    $2789 (Avg Bid)
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    25 bids

    Hi there. I am going to add the buy/sell function into my wallet. And I am going to use coinbase as the 3rd party api. If you have coinbase account, It is prefer. Only bid you have coinbase account to test the buy/sell function and have rich experience in coinbase related to buy/sell functions. I will require only simple functions and only backend working.. Thanks.

    $250 (Avg Bid)
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    12 bids

    Looking for someone to setup a small mining server for a sCrypt altcoin listed here: [login to view URL] Difficulty = 434.693 Recommend a server / provider that can also be used for the server. Must have previously worked with mining sCrypt coins before.

    $172 (Avg Bid)
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    6 bids

    I want a good freelancer who can create a classy crypto investment telegram bot that accepts: bitcoin, ethereum, litecoin and bitcoincash The telegram bot will work like [login to view URL] bot. For bitcoin investment: [login to view URL] For Ethereum investment [login to view URL] If you are not conversant in creating telegram not for investment site that will require implementing coinpayment ...

    $707 (Avg Bid)
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    10 bids
    Blockchain 3.0 Developeer 3 days left
    VERIFIED

    Must have experience with development of new cryptocurrencies.

    $811 (Avg Bid)
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    24 bids

    We're a online start-up. We have several online platforms established since 2015. We are looking to expand and market into other region of the world. The marketplace platform we are looking for needs to be developed with lightweight and security as main key. LEMP stack is preferred. With that said, we need to be able to drop the files and database onto a server. With a few stack configur...

    $1354 (Avg Bid)
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    23 bids

    Hello Freelancers , I need to get transaction details of my BTC and ETH wallet addresses . The information's which i requires such * ) IN or OUT Transactions *) From Address of the Transactions *) Amount of ETH / BTC transferred to my account *) Number of from transactions from single address If you complete this project within couple of hours - you will have assurance you will be a...

    $794 (Avg Bid)
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    7 bids

    Hi Everyone. i'm agency of the crypto ecommerce management company located in Liverpool. our company now looking for some talented developer who support blockchain technology for 3+ months. you must know very well about the HD wallet management. feel free to contact us. cheers

    $2802 (Avg Bid)
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    40 bids

    hello we need free lancer to work in our company to be online in our company chat and facebook page he must be online 10 hours daily to send and received the money from our customers and make the exchange from bitcoin to eth and also from eth to bitcoin for salary 1300$

    $592 (Avg Bid)
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    16 bids

    We need a ready crypto exchange script with documentation for setup and use. Also we need some slight modification for it for our business. The script should be ready and not first to be developed. We also need a logo and landing page. We have a budget of 3000 Euro.

    $2825 (Avg Bid)
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    39 bids
    Construction crypto coin ICO 2 days left
    VERIFIED

    Construction crypto coin ICO I need an experienced professional

    $1007 (Avg Bid)
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    34 bids

    Only the developer who have successfully installed these below daemons and connected them with PHP code. Please check the list below. BTC Ether LTC Bitcoin Cash Ripple Omisego Ox protocol Golem Tron Stellar Neo Nano Aion Eos Zilliqa

    $583 (Avg Bid)
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    6 bids

    I want to do the simplest ICO ever. I want to take an asset (say a painting of mine, or my house, or my car), and pledge it to a digital coin offering. Whoever owns this coin owns the asset (and all distributions from the asset - say the painting sells at auction for $1mm dollars - then all holders of coins would get a distribution of cash). So I need someone to: Launch the coin on an exchange. I ...

    $1444 (Avg Bid)
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    21 bids
    DEX Exchange Website 1 day left
    VERIFIED

    If you have a DEX experience in cryptocurrency exchange, please bid on this project! I want to hire Bounyavong! Thanks!

    $842 (Avg Bid)
    $842 Avg Bid
    15 bids

    i wanna build the best platefrom for crypto hegdefund managment companys on its own blockchain. our toke will be a proof of stake token that pay company dividens in btc. wh have big plans to lanc a ico in sept tember and need to find a tea. the best team. we are trying to raise 100 million dollars for this project doing the up front stuff now need to move fast in the first stages to we can lanch i...

    $54 / hr (Avg Bid)
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    45 bids

    Looking for an experienced web developer to get a mining pool online for testing. The code is open source and located here [login to view URL] The perfect candidate will have experience with web development, blockchains, and AWS deployment. It should be a simple job the documentation on GitHub explains most of the steps. The front end is included and I do not require any customization.

    $63 (Avg Bid)
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    6 bids

    I want to buy an exchange wallet app please, if you have completed one before and you have the source codes, you can easily edit the UIs with what I would give you and then I buy it, please I need this in 24 hours at least and would like to work more with you guys after this is completed for me,don't message me if you don't have what needed .

    $269 (Avg Bid)
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    7 bids

    Looking for cryptocurrency expert Need individual developer only . No Company or agency.

    $22 / hr (Avg Bid)
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    44 bids

    Hello everybody, I am searching for a ghostwriter who could help me with writing a book. The content of the book will be little technical so a high English level is required. Its all about Cryptocurrency and Bitcoin. You must be excellent writer and have first-hand experience with trading in Cryptos. You must understand graphs, charts, candlesticks and explain them in words. I will provide yo...

    $548 (Avg Bid)
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    22 bids
    BTC ONLINE 23h left
    VERIFIED

    btc online, I want a platform like [login to view URL]

    $1009 (Avg Bid)
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    27 bids

    I have a project that i need a pow/pos/mm cryptocurrency from scratch made with latest bitcoin core, latest dash masternodes, yescriptr32 for PoW algo, Pivx for PoS or a better PoSv3 fixed and that runs over TOR with OBFS4 and Meek plugins enabled once this is done it will need to be integrated to an existing blockchain of a cryptocurrency via a hard fork. Project for the specialists

    $37 / hr (Avg Bid)
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    32 bids
    make me a crypto currency 14h left
    VERIFIED

    i would like my own erc20 token or waves token creating

    $880 (Avg Bid)
    $880 Avg Bid
    31 bids

    I am looking for blockchain developer, not agency. You have to have wide and deep experience in masternode and Pivx. The details will be shared via interview.

    $2367 (Avg Bid)
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    30 bids

    We are launching an [login to view URL] need a developer to create ethereum smart contract for our project and attach it to my landing [login to view URL] also need to integrate it in our website and also add automatic issues of tokkens to the investors.

    $475 (Avg Bid)
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    38 bids

    I am looking for blockchain developer who has wide and deep experience in masternodes and Pivx. If you have worked on Pivx, do not hesitate to contact me. The details will be shared in interview.

    $2129 (Avg Bid)
    $2129 Avg Bid
    21 bids

    I want to develop a app like coinbase and Bianance app whereby exchanges can be carried out I need this done in under 72 hours, don't send me offer if you don't have any other exchange apps you have built before and we make an edits to it with my UI designs, Waiting....

    $834 (Avg Bid)
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    25 bids

    casino bitcoin project i want to make casino. use Crypto.

    $287 (Avg Bid)
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    20 bids
    Create a new Crypto Currency 18 days left
    VERIFIED

    Create a new Crypto Currency by Improving open source existing codes and ensure its reliability to connect to external environments, and implement sepcific specs and deliverables and high level security.

    $3395 - $5658
    Featured Sealed NDA
    $3395 - $5658
    41 bids

    Hi there. I am going to add the buy/sell feature into my wallet. My wallet is based on the swift language and server side is using nodeJs and laravel framework. And I am going to use coinbase as the 3rd party api. If you have coinbase account, It is prefer. Only bid you have coinbase account to test the buy/sell function and have rich experience in coinbase related to buy/sell functions. It ...

    $16 / hr (Avg Bid)
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    3 bids

    Hello I am looking for Cryptocurrency trade platform. I will appreciate any readymade system. Please bid, if you are experienced on it and got demo. i am looking for something like binance or yobit or cobinhood Do not bid more than of my budget or do not bid, if your price is more than of my budget. No time waster [login to view URL] WITH DEMO ACCESS

    $6763 (Avg Bid)
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    22 bids

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